Home / 14,410.22-19,886.10-8,122.59

Finding the Fourth Proportional to 14,410.22, 19,886.10 and 8,122.59

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Solution

The fourth proportional to 14,410.22, 19,886.10 and 8,122.59 is: 11,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.22 : 19,886.10 = 8,122.59 : x
  2. Step 2: Convert to fraction form
    14,410.22/19,886.10 = 8,122.59/x
  3. Step 3: Cross multiply
    14,410.22x = 19,886.10 × 8,122.59
  4. Step 4: Simplify right side
    14,410.22x = 161,526,637.00
  5. Step 5: Solve for x
    x = 161,526,637.00/14,410.22
  6. Step 6: Final answer
    x = 11,209.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.